Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 156
of two pins, one on either side of the center, orline up the holes for one pin and the notches beneath a function lever. The operationand purpose of the function levers will be explained later. 9. Mounted on the right of the interference plates is the selector, which consists of adrum carrying a… … DRUM MAGNCT PLUNGER ROD ■ Fig. 6 10. The magnet of the sixth pulse relay is not connected directly to a segment ofthe distributor, but the circuit to this segment passes through the sixth pulse (operating)contacts controlled by the armature of the reset magnet (Fig. 4). 11. When any selecting…
Telegraph
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